baber/WOPTO huggingface dataset:
Patent CA-1204021-A (CA)
Inventor: FIDLER JOHN
IPC: F42B14/06
Filed: 1980-10-27
Granted: 1986-05-06
Abstract: Abstract MULTI SOURCE CARTRIDGE          A projectile for dispersing a material into the atmosphere at a target, which is designed to open in flight and scatter a number of independent dispersal charges over a limited target area, comprises a sabot in the form of a number of segments which are locked together prior to launching, which contains the dispersal charges and a delayed opening means which initiates opening in flight, thereby releasing the charges along approximately the same trajectory as the former projectile. In a preferred embodiment the sabot is cylindrical, in two segments hinged together at their rear end, locked together by either a collar or a pin and socket arrangement, and containing a number of cylindrical charges in line, with an axial channel.The projectile is fired from a gun, and firing initiates a pyrotechnic delay which activates an explosive or pyrotechnic charge in the channel and between the charges to open the sabot and activate and disperse the charges. The charges may disperse a riot control agent or smoke etc, and may have an independent delay.
Patent CA-1128326-A (CA)
Inventor: LAGRONE CHARLES H
IPC: F02C9/54
Filed: 1980-12-02
Granted: 1982-07-27
Abstract: ABSTRACT OF THE DISCLOSURE    A gas turbine fuel control system for controlling the acceleration of an engine during start-up which permits the engine to accelerate substantially along its required-to-run line.  Fuel flow to the engine is controlled by a speed governor) and means are included to gradually increase the speed set point of the governor in relation to elapsed time of the start-up period.
Patent CA-1144821-A (CA)
Inventor: SWIDLER RONALD
IPC: E03D5/10
Filed: 1980-12-03
Granted: 1983-04-19
Abstract: Abstract of the Disclosure In an electrostatic copier having an applicator electrode positioned closely adjacent but not touching the photoconductive surface on which there is a latent electrostatic image to be developed.  The surface of the latent image and the surface of the applicator electrode move at the same speed, or the electrode may move at a greater speed.  The electrode and the photoconductor are spaced from each other by a gap in the order of between three and six mils.  The applicator roller is mounted with its lower segment immersed in a tank containing a developing liquid bearing charged toner particles.  There is a mechanism for increasing the liquid to the gap, such as a drive for speeding the rotary electrode to more than the photoconductor speed.          After the latent image has been developed, a metering roller, which is a roller whose surface moves in the direction opposite to the surface of the photoconductor, meters or dynamically removes a portion of the liquid from the developed image.  The freshly developed image is then transferred to a carrier sheet.          An arcuate field electrode is positioned between the metering station and the transferring station.  The field electrode is biased to a potential of a sign opposite to the charge of the toner particles.
Patent CA-1157351-A (CA)
Inventor: HAMMOND HOWARD A
IPC: B27L1/00
Filed: 1981-01-06
Granted: 1983-11-22
Abstract: ABSTRACT         An apparatus (10) for processing trees includes a hollow boom structure (12), a processing head (14) mounted for movement along the boom and an actuating cylinder assembly (38) which is mounted inside the boom structure. The cylinder includes a body member (50) and support means (52) engageable with the inside of the boom which support the body member for linear movement along the boom.  A reeved cable system interconnects the actuating cylinder assembly with the processing head such that the actuating cylinder and the processing head move in opposite directions along the boom when the actuating cylinder is pressurized.  In accordance with one aspect of the invention, the cylinder assembly includes opposed piston assemblies (40, 42) and means associated with the piston rod (54) of one piston assembly (40) for selectively transferring hydraulic fluid from a source to the head ends of both piston assemblies and to a central chamber (60) defined between the piston assemblies.
Patent CA-1159632-A (CA)
Inventor: BROWN JAMES N
IPC: A44B18/00
Filed: 1981-01-30
Granted: 1984-01-03
Abstract: TWO STRIP MATERIALS USED FOR FORMING FASTENERS    Abstract Two strip materials from which portions may be severed and used together as a releasably engageable fastener.  Each strip material comprises a bonding layer in which are embedded a plurality of U-shaped monofila-ments. Each U-shaped monofilament includes two headed stem portions adapted to engage the headed stem portions of the other strip material, and the monofilaments are rectangu-larly arrayed, and spaced to provide a number of headed stem portions per unit length that are different from and not a multiple of or evenly divisible by the number of headed stem portions per unit length on the other strip material in any direction so that upon engagement the rows of headed stem portions of one strip material cannot readily slip between the rows of headed stem portions on the other.
Patent CA-1150671-A (CA)
Inventor: FREESE HOWARD W
IPC: B21C23/21
Filed: 1981-02-18
Granted: 1983-07-26
Abstract: Extrusion Press Die Change Assembly Abstract of the Invention An extrusion press having a die slide assembly capable of shearing the extrusion in the die, and transporting the die to a side movable transfer table for change thereof, the assembly eliminating excessive projection beyond the confines of the extrusion press of die transport equipment. The die slide assembly includes a first hydraulic cylinder for shearing an extrusion from the die, and a second hydraulic cylinder mounted adjacent the first cylinder for transporting the die and die holder to a transfer station on the side of said platen, permitting an exchange of the die holder die therewith, when necessary. The second hydraulic cylinder is movable with the die slide assembly to minimize the length requirements of the second hydraulic unit and still effectuate full traverse of the die holder.
Patent CA-1158698-A (CA)
Inventor: MALKIN DANIEL D
IPC: H02K37/00
Filed: 1981-03-06
Granted: 1983-12-13
Abstract: SINGLE-PHASE STEP MICROMOTOR             Abstract of the Disclosure A single-phase step micromotor comprising a stator having a pair of pole pieces facing each other by cylindri-cal surfaces thereof. Interposed between the stator pole pieces is a double-pole rotor, while arranged between the stator and rotor is a rotor fixing means in the form of a ring the thickness of which is less than that of the stator pole pieces, the inner diameter of the ring varying along the angular coordinate of the stator.     The invention can be applied to advantage in horology, such as for the manufacture of electronic/mechanical wrist-watches with dial display.
Patent CA-1147820-A (CA)
Inventor: WEBBER DEAN A
IPC: H01G9/00
Filed: 1981-03-23
Granted: 1983-06-07
Abstract: SOLID TANTALUM CAPACITOR WITH CLEAN RISER The anode riser of a solid tantalum capacitor is cleaned by means of a laser beam which removes all coatings from the riser in the area of the weld between the riser and an external lead so as to leave no conducting path from the riser to the cathode.
Patent CA-1144384-A (CA)
Inventor: RANNOW ROBERT L
IPC: F25B13/00
Filed: 1981-03-25
Granted: 1983-04-12
Abstract: ABSTRACT OF THE DISCLOSURE     A building heating and cooling system which eliminates the need for a dual circuited condenser in a water to water heat pump.  The system includes a cooling tower water circuit, a device for cleaning and treating the water in the cooling tower water circuit, and a hot water circuit in the building.  A single circuit condenser and a refrigerant compressor are used to heat condenser water.    Apparatus is provided to inject the heated condenser water either into the hot water circuit or to the cool-ing tower.  The heat pump also includes a cooler to provide a source of low temperature heat from a chilled water circuit in the building.
Patent CA-1162994-A (CA)
Inventor: BARRS RONALD A
IPC: H03H7/01
Filed: 1981-04-15
Granted: 1984-02-28
Abstract: ABSTRACT     A switchable filter circuit for use in a receiver to select a first or a second frequency band from a received signal and for providing predetermined minimum stop band attenuation at frequencies outside the selected frequency band, the second frequency band lying wholly within the first.  A first filter element is provided which defines a primary pass band corresponding to the first frequency band, and a second filter element is provided which defines a secondary pass band corresponding to the second frequency band, the first filter element having an input to which the received signal is applied, and the second filter element having an input for receiving the output of the first filter element.  The stop band attenua-tion of the first filter element is at least as greater as the predetermined minimum stop band attenuation required, and the stop band attenuation of the secondary filter element within the primary pass band being that which is required by the application.  Thus the first filter element significantly determines the stop band characteristics of the  filter circuit as a whole outside the primary pass band.
Patent CA-1165102-A (CA)
Inventor: MCGEARY JAMES E
IPC: H01R43/00
Filed: 1981-05-25
Granted: 1984-04-10
Abstract: ABSTRACT:   Device for combing electrical conductors comprises a block in which is formed a conductor receiving channel having a conductor receiving mouth. For combing a pair of closely juxtaposed conductors of a flat cable into superposed relationship in the channel, one side wall thereof has a flared surface providing the mouth, into which surface opens a notch which also opens into a forward face of the block and tapers inwardly of the block, the notch having normally extending bottom and side surfaces, the depth of the bottom surface decreasing in a direction away from the forward face of the block.          The bottom surface of the notch inhibits movement of one conductor into the channel until the other conductor has been received therein.
Patent CA-1157114-A (CA)
Inventor: HARROLD RONALD T
IPC: H05K7/20
Filed: 1981-06-16
Granted: 1983-11-15
Abstract: 13                  48,938 ABSTRACT OF THE DISCLOSURE A vapor-cooled power transformer characterized by a transformer within a sealed housing, and means for applying  ultrasonic  vibrations  to  a  dielectric  liquid within the housing in order to vaporize the fluid and to apply it to the exposed surfaces of the transformer.
Patent CA-1162085-A (CA)
Inventor: MYERS CARL J
IPC: B23Q11/00
Filed: 1981-06-16
Granted: 1984-02-14
Abstract: Abstract of the Disclosure An improved machine tool includes a chip conveyor assembly which includes a conveyor and a coolant tank.        The chip conveyor assembly is movable between a closed or operating position and an open or exposed position.  In the closed position, the chip conveyor assembly is disposed directly beneath a work area so that chips fall onto the conveyor.  The chips are transported through an opening at one end of the machine tool to a discharge area where the chips are deposited in a suitable receptacle.          To facilitate maintenance of the chip conveyor assembly, the entire chip conveyor assembly is movable through an opening in the front of the machine tool to an open position in which the components of the-conveyor are accessible.
Patent CA-1162623-A (CA)
Inventor: BLUESTEIN LEO I
IPC: H04L9/08
Filed: 1981-06-17
Granted: 1984-02-21
Abstract: ABSTRACT OF THE DISCLOSURE         A system for enciphering information bearing RF signals in digital form utilizes a first key common to all receivers.          There are means to change the first key which means include, at the transmitter, means to send individual messages to each receiver, each message being itself enciphered in a second key which is peculiar to only one receiver or small group of receivers and which message includes a change of the first enciphering key.  At each receiver there are means responsive to the correct address in a key change message which will thereafter permit the deciphering of the key change message in the key peculiar to a particular receiver or small group of receivers.  The new first key is then used at the receiver to decipher subsequent information bearing messages.
Patent CA-1144978-A (CA)
Inventor: HUSBY DONALD E
IPC: F21K99/00
Filed: 1981-06-24
Granted: 1983-04-19
Abstract: 3                   49,091 ABSTRACT OF THE DISCLOSURE       A method for quickly, efficiently and accurately aiming  a  flood  light  at  a preselected  location which involves directing or redirecting the collimated radiative output of a low power laser source at a preselected loca-tion.  The laser output may be aimed at a mirror on the flood light face and reflected directly back to the pre-selected location or the laser can be temporarily mounted to the flood light and the laser output directed parallel to the flood light beam axis at said preselected location.
Patent CA-1178140-A (CA)
Inventor: FUKUDA SHUZO
IPC: C23C2/00
Filed: 1981-06-26
Granted: 1984-11-20
Abstract: ABSTRACT OF THE DISCLOSURE         A travelling strip is subjected to hot dip plating on one side thereof, while avoiding occurence of splash without invasion  of plating metal to the other side not requiring the plating and without irregular or no plating on the side to be plated: the molten metal is jetted onto one side of the horizontally travelling strip, through nozzles disposed obliquely to the direction of the strip, the nozzles having nozzle outlets which tilt towards edges of the strip.
Patent CA-1163695-A (CA)
Title: Servosystem operating about noise component error  signal
Inventor: GALWEY RONALD K
IPC: G05F1/46
Filed: 1981-07-06
Granted: 1984-03-13
Abstract: SERVOSYSTEM OPERATING ABOUT NOISE COMPONENT ERROR SIGNAL                         ABSTRACT      The control of the operation of an electric circuit element, such as an electrochemical cell, is performed by positive feedback servocircuitry devel-oping an error signal or inherent noise component, and having algebraic computing capability for developing the compensating control.  Current follower circuitry is arranged for developing a potential proportional to the current drawn by the electric circuit element to be controlled.  A portion of this potential is algebraically combined with the externally applied operating electric wave.  The inherent noise component of the control circuitry is sensed by a high pass filter and an ac-dc converting circuit and thereafter integrated for gen-erating a slowly varying potential for determining the portion of the potential derived by sensing the current.          The two potentials are applied to a conventional multiplying circuit and the product potential combined with the operating wave.
Patent CA-1195460-A (CA)
Inventor: PARENTI JOSEPH A
IPC: B01D45/16
Filed: 1981-07-28
Granted: 1985-10-22
Abstract: BLOWER AND DUST COLLECTING MACHINE            Abstract of the Disclosure:          Dust generated in coal mining is removed by means of a blower having an exhaust fan which draws air through its intake opening from the face of the coal.  The blower is provided with a first stage of closely-arranged small-diametered cylindrical-shaped individual centrifuges between its intake opening and the exhaust fan in which the dust-laden air spins as air is drawn therethrough and concentrates the dust in an annular surrounding portion which is separately drawn from the centrifuges through a conduit also evacuated by the exhaust fan.  This conduit contains a sharply-reversing bend which effectively separates and discharges the dust into a collection chamber, e.g. a removable bin.  A grid disposed ahead of the first stage of individual centrifuges prevents large size particles from entering the centrifuges; and a second stage of closely-arranged, similarly-operating individual centrifuges located in the conduit closer to the exhaust fan remove "fines" which were not discharged to the collection chamber.  The thus cleaned air exiting from the conduit is com-bined by the fan with the dust-freed air drawn from the core of the individual centrifuges and is discharged to the mine return area.
Patent CA-1144781-A (CA)
Inventor: HEIKKILAE HANNU
IPC: D21F1/20
Filed: 1981-08-11
Granted: 1983-04-19
Abstract: Abstract of the Disclosure A vibrating apparatus e.g. for shaking the forming wire of a paper machine, comprising a body (1) and a drive shaft (2) rotatably mounted in the body. The drive shaft supports an eccentric bushing (3) dis-placeable along but unrotatably fixed to said drive shaft. A recipro-cating rod (9) positioned transversely with respect to the drive shaft is provided with a ring-shaped end (10) rotatably mounted around an outer mantle surface of said bushing stationary in the axial direction (D) of said bushing. The apparatus further comprises adjusting means (11-20) for displacing said bushing along the drive shaft in its axial direction in order to adjust the excentriaty between the drive shaft and the ring-shaped end of the reciprocating rod. (Figure 1).
Patent CA-1172009-A (CA)
Inventor: DOMINGUEZ RICHARD J G
IPC: C08G18/00
Filed: 1981-08-20
Granted: 1984-08-07
Abstract: IMPROVED REINFORCED REACTION INJECTION MOLDED ELASTOMERS              (D#75,890 -F) ABSTRACT OF THE DISCLOSURE A method of improving the physical properties of reinforced reaction injection molded elastomers is disclosed. The method involves placing an inert filler material wholly in the isocyanate component of a two component reaction system where the other component contains predominantly polyol before mixing the components to effect reaction.  This modification will  result in an improvement in tensile strength and thermal dimensional stability when compared to placing the inert filler material in the polyol component before reaction.
Patent CA-1160484-A (CA)
Inventor: NELSON JOHN F
IPC: F16B23/00
Filed: 1981-09-08
Granted: 1984-01-17
Abstract: Case 3652 IMPROVED PLASTIC HEADED FASTENER                     ABSTRACT        There is disclosed an improved fastener of the type having a head portion, a shank portion extending from the head portion, and a plastic cover overlying the fastener head. The head includes an outer perimeter of generally square configuration having a plurality of substantially straight side portions. The upper surface of the head is provided with an oversized drive recess which extends along the diagonals of the square perimeter. As a result, the fastener head may be readily aligned within a mold which forms the plastic head cover. More particularly, anyone of the straight side portions may engage an alignment surface of the mold to permit the final drive recess forming portion of the mold to be readily aligned with and received by the initial over sized drive recess. The resulting plastic cover entirely overlies the fastener head and the thickness of the plastic within the oversized recess reduces the drive recess dimension to a final desired size.
Patent CA-1179786-A (CA)
Inventor: VORA MADHUKAR B
IPC: H01L21/3215
Filed: 1981-10-22
Granted: 1984-12-18
Abstract: A LATERAL TRANSISTOR STRUCTURE HAVING  SELF-ALIGNED BASE AND BASE CONTACT      AND METHOD OF FABRICATION     ABSTRACT OF THE DISCLOSURE         A lateral transistor structure having a self-aligned base and base contact is provided, together with a method for fabricating such a structure in which the base width is controlled by lateral diffusion of an impurity through a polycrystalline silicon layer.  The resulting zone of impurity changes the etching characteristics of the layer and permits use of a selective etchant to remove all of the layer except the doped portion.  The doped portion may then be used as a mask to define the base electrical contact, which in turn is used to provide a self-aligned base for the transistor.  Dopants introduced on opposite sides of the base electrical contact create the emitter and collector.
Patent CA-1172458-A (CA)
Title: Universal joint
Inventor: BRENNAN MICHAEL J
IPC: F16D3/40
Filed: 1981-11-12
Granted: 1984-08-14
Abstract: UNIVERSAL JOINT                       ABSTRACT           A universal joint comprising a block and pin type mount as component parts of honing tool assembly. Each pin is mounted and locked in place with set screws to the universal joint drive block.
Patent CA-1149103-A (CA)
Inventor: HOLTMAN DENNIS C
IPC: A61F13/15
Filed: 1981-11-16
Granted: 1983-07-05
Abstract: Absorbent Structure Containing Superabsorbent Abstract of the Disclosure The present invention provides an absorbent structure for body fluids comprising a moisture-impermeable backing, an absorbent batt superimposed thereon and a moisture-permeable cover covering at least the side of the batt opposite the backing sheet.  The absorbent batt contains a reservoir capable of receiving at least 75% of the discharge of body fluid in one second. The reservoir is located in the void zone, is formed by compression of the fibers and contains superabsorbent deposited therein.
Patent CA-1182458-A (CA)
Inventor: BOIGEGRAIN ROBERT
IPC: C07D495/04
Filed: 1981-11-27
Granted: 1985-02-12
Abstract: ABSTRACT OF THE DISCLOSURE            The present invention provides derivatives  of 5,6,7,7a-tetrahydro-4H-thieno[3,2-c]pyridin-2-one of the general formula:                   (I) in which R is a hydrogen atom or a phenyl radical, which is optionally substituted by at least one halogen atom or lower alkyl radical, lower alkoxy radical, nitro group, carboxyl group, alkoxycarbonyl radical or cyano group, R' is a hydrogen atom or a lower alkyl radical and n is 0, 1, 2, 3 or 4;  and the addition salts thereof with pharmaceutically acceptable mineral or organic acids.          The present invention also provides a process for the preparation of these compounds, as well as pharmaceutical compositions containing them.
Patent CA-1168888-A (CA)
Title: Dispositif de mesure de pression fonctionnant en  numerique
Inventor: GUILLEMOT PHILIPPE
IPC: G01L13/00
Filed: 1982-01-18
Granted: 1984-06-12
Abstract: "Dispositif de mesure de pression fonctionnant en numérique" L'invention a pour objet un dispositif de mesure de pression fonctionnant en numérique. Le moyen de mesure de l'écart de pression et le circuit de détection des instants où cet écart atteint un incrément ou un décrément déterminés ou une valeur nulle, est constitué par un organe intégré à l'enceinte de mesure. Ce dispositif comprend une paroi étanche déformable (82) agissant sur un organe optoélectronique ou piézoélectrique ou électromécanique qui traduit directement la déformation en signaux logiques. Application à la réalisation de capteurs de pression. Figure 1.
Patent CA-1176085-A (CA)
Inventor: RAMNESTEN IVAN O
IPC: B21J5/12
Filed: 1982-01-25
Granted: 1984-10-16
Abstract: F?RENADE FABRIKSVERKEN       "Forging blank for an internal threaded cylinder"              A b s t r a c t A forging blank for the production of threaded tubes or cylinders by coldforging around an externally threaded mandrel (2), whereby the material in the forging blank is displaced into the mandrel s thread grooves (15). The forging blank is mostly formed with an outer diameter corresponding to the required profile depth of the threads (20) in the final forged cylinder, while the blank at one or more places is formed with thicker or thinner diameters to form thread profiles with increasing and decreasing thread profiles.  One form of the invention concerns a forging blank, which at both ends is conically shaped (17) so that starting cones are formed in the forged product.  The blank can also be formed with a centrally thickened portion (16) to form one or more threads with a deeper profile, producing a barrier or a locking for rods which are to be screwed into the sleeve.          (Figure 2 is recommended for publication)